Today: Thursday 30th September

Scientists say they have evidence that the attention-deficit hyperactivity disorder is genetic rather than linked to diet or poor discipline. The Irish government is expected to reveal the cost of bailing out the country's banks. And the guitar hero Carlos Santana tells us there is still a place for epic guitar solos.

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0615
Business news with Adam Shaw: Economist Michael O'Sullivan analyses how much the nationalised Anglo Irish Bank will end up costing Ireland's taxpayers. And the head of Climate Change at the Environment Agency, Tony Grayling, explains the new Carbon Reduction Commitment scheme for businesses.

0709
Scientists have discovered a genetic link in connection with the attention-deficit hyperactivity disorder (ADHD). Dr Tim Kendall, expert on ADHD, describes the findings.

0712
The Irish government has raised its estimate of how much it will cost to recapitalise its banks to between 29 and 34 bn Euros. Business journalist David Murphy outlines the scale of the losses.

0715
Business news with Adam Shaw.

0718
US Middle East envoy Senator George Mitchell is in Jerusalem today, trying to salvage the peace talks between Israel and the Palestinians. Jeremy Bowen reports from the occupied Palestinian territories on the recent set-backs to the negotiations.

0724
The last speakers of the Babylonian tongue died out more than 2,000 years ago but the language can now be heard once again at an online audio archive. Assyriologist Dr Martin Worthington has persuaded his colleagues to record their favourite texts from the ancient literature.

0727
The sports news with Jon Myers.

0734
The Royal Society has launched a new guide to climate science. Science correspondent Tom Feilden outlines the revised guidelines. And Professor John Pethica of the Royal Society describes what impact the new guide will have on science.

0741
The paper review.

0744
The generally complicated search through the UK's National Archives has now been simplified when looking for the records of naval surgeons. BBC's Sanchia Berg has been scrolling through some journals, dating from the late 18th century, which include descriptions of disease as well as information about life at sea.

0747
Thought for the Day with the Right Reverend James Jones, Bishop of Liverpool.

0752
Harriet Harman will give the closing speech to the Labour party conference later today. She talks to James Naughtie about Labour's new leader and "new generation".

0810
This morning the government in Dublin has unveiled new estimates of how much it will cost to prop up the country's banks. They add billions of euros to previous estimates, and they mean that Ireland's annual deficit will be about 30% of the total size of its economy. Business editor Robert Peston analyses the scale of the problem.

0815
Carlos Santana, the Mexican-born guitar-playing rock star, has been delighting audiences around the world for more than 40 years. Arts Editor Will Gompertz caught up with him and asked him about the moment he first came into public consciousness at the Woodstock festival in 1969.

0819
Scientists have found the first direct evidence that the attention-deficit hyperactivity disorder (ADHD) has a genetic cause. Professor of child psychiatry Anita Thapar and clinical psychologist Oliver James debate just how important the new findings are.

0824
The sports news with Jon Myers.

0830
The outgoing political director of the trade union Unite, Charlie Whelan, was an influential figure behind Gordon Brown's premiership and Labour's election campaign. He talks to James Naughtie about his support for the new Labour leader Ed Miliband.

0844
Business news with Adam Shaw.

0847
Will Ireland - and not just the Irish economy - be brought to its knees by the current banking crisis? The country's finance minister, Brian Lenihan, outlines how he means to bring the crisis to an end.

0853
The trial opens today of a former member of the Red Army Faction in Germany over the murder of the country's most senior prosecutor in 1977. Correspondent Stephen Evans describes the events which shook Germany's political system to its foundations.

0857
The children's author Michael Morpurgo has written a book focusing on the Yarl's Wood immigration detention centre in Bedfordshire. He talks to Justin Webb about the unusual choice of the topic.